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Autofocus verify based on sharpness range, removed repetitive logging

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jaknapper 2024-02-15 11:02:44 +00:00
parent f1c315783c
commit aed5a22983
2 changed files with 22 additions and 15 deletions
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10
src/openflexure_microscope_server/things/autofocus.py
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@ -238,15 +238,15 @@ class AutofocusThing(Thing):
return heights.tolist(), sizes.tolist()
@thing_action
def verify_focus_sharpness(self, sweep_sizes: list, camera: WrappedCamera, leniency: int = 1):
def verify_focus_sharpness(self, sweep_sizes: list, camera: WrappedCamera, threshold: float = 0.95):
'''Take the sharpness curve of the autofocus, and the size of the current frame
to see if the autofocus completed successfully. Returns True if current sharpness
is within "leniency" number of frames from the peak of the autofocus'''
current_sharpness = camera.grab_jpeg_size(stream_name='lores')
peak = np.argmax(sweep_sizes)
accepted_range = [peak - leniency, peak + leniency]
peak = np.max(sweep_sizes)
base = np.min(sweep_sizes)
cutoff = threshold * (peak - base)
sharpness_range = [sweep_sizes[i] for i in accepted_range]
return current_sharpness >= min(sharpness_range)
return current_sharpness >= base + cutoff